body {
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.login-container, .chat-container {
    text-align: center;
    background-color: #ffffff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.login-container h1, .chat-container h1 {
    margin-bottom: 20px;
    color: #333;
}

.login-container input {
    padding: 10px;
    font-size: 16px;
    margin-bottom: 20px;
    width: calc(100% - 20px);
    border: 1px solid #ccc;
    border-radius: 5px;
}

.login-container button, .chat-container button {
    padding: 10px 20px;
    font-size: 16px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.chat-container {
    display: none;
}

.chat-container .users {
    text-align: left;
    margin-bottom: 20px;
}

.chat-container .controls {
    text-align: center;
}

.buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

#startCall {
    background-color: #4CAF50;
    color: white;
}

#startCall:hover {
    background-color: #45a049;
}

#endCall {
    background-color: #f44336;
    color: white;
}

#endCall:hover {
    background-color: #e53935;
}

/* style.css */

.message {
    margin-bottom: 5px;
    padding: 5px;
    background-color: #f0f0f0;
    border-radius: 5px;
}

.user {
    font-weight: bold;
}

.system-message {
    font-style: italic;
    color: #888;
}

.chat-messages a {
    color: #007bff;
    text-decoration: underline;
}